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公开(公告)号：US20210257575A1
公开(公告)日：2021-08-19
申请号：US17162538
申请日：2021-01-29
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Mieun JUN , Hyeongu CHO , Jaejin LYU
Abstract: A light-emitting device includes an emission layer that includes a host, a first dopant, and a second dopant, and an electronic apparatus includes the same. In the emission layer, a) the first dopant is a phosphorescent dopant, b) a Stokes shift of the second dopant is less than or equal to 15 nm, and c) a spectral overlap integral of an emission spectrum of the first dopant and an absorption spectrum of the second dopant may be greater than or equal to 1.5×1015 M−1 cm−1 nm4, and accordingly, the emission efficiency (for example, external quantum efficiency) and lifespan of the light-emitting device may be improved.
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公开(公告)号：US20210104688A1
公开(公告)日：2021-04-08
申请号：US16865180
申请日：2020-05-01
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung KIM , Youngeun CHOI , Minje KIM , Eungdo KIM , Hyojeong KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Jaejin LYU
Abstract: An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.
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公开(公告)号：US20200308209A1
公开(公告)日：2020-10-01
申请号：US16829818
申请日：2020-03-25
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Jinwon SUN , Hyosup SHIN , Hyeongu CHO
Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first host, a first dopant, and a second dopant, and the first dopant is an organometallic compound the first dopant represented by one of Formulae 40 and 50 and including metal having an atomic weight of 40 or greater:
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公开(公告)号：US20210104689A1
公开(公告)日：2021-04-08
申请号：US16923539
申请日：2020-07-08
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung KIM , Minje KIM , Eungdo KIM , Hyojeong KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
IPC: H01L51/00
Abstract: An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2A or Formula 2B, the third compound is represented by Formula 3, the fourth compound is represented by Formula 4, each as respectively described in the detailed description.
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公开(公告)号：US20210104683A1
公开(公告)日：2021-04-08
申请号：US17028894
申请日：2020-09-22
Applicant: Samsung Display Co., Ltd.
Inventor： Hyunyoung KIM , Minje KIM , Eungdo KIM , Hyojeong KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Hyein JEONG
Abstract: An organic light-emitting device and an apparatus including the same are disclosed. The organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; and an organic layer between the first electrode and the second electrode. The organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound is represented by Formula 1, the second compound is represented by Formula 2, the third compound is represented by Formula 3, the fourth compound is represented by any one of Formulae 4-1 to 4-3, each as respectively described in the detailed description.
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Patent Agency Ranking
公开(公告)号：US20210104682A1
公开(公告)日：2021-04-08
申请号：US16919858
申请日：2020-07-02
Applicant: Samsung Display Co., Ltd.
Inventor： Hyosup SHIN , Minje KIM , Eungdo KIM , Hyunyoung KIM , Hyojeong KIM , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
Abstract: An organic light-emitting device includes a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, and the emission layer includes a first compound as a hole transport compound, a second compound as an electron transport compound, a third compound as a metal complex compound, and a fourth compound as a boron-based compound.
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公开(公告)号：US20210104681A1
公开(公告)日：2021-04-08
申请号：US16859894
申请日：2020-04-27
Applicant: Samsung Display Co., Ltd.
Inventor： Hyojeong KIM , Minje KIM , Eungdo KIM , Hyunyoung KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset Condition 1-1 T1(C3)max≥S1(C4)max Condition 1-2 KRISC(C4)≥103S−1 Condition 2 f(C4)≥0.1. Condition 3
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公开(公告)号：US20230119261A1
公开(公告)日：2023-04-20
申请号：US18064787
申请日：2022-12-12
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyojeong KIM , Minje KIM , Eungdo KIM , Hyunyoung KIM , Hyosup SHIN , Seokgyu YOON , Youngki LEE , Jungsub LEE , Jiyoung LEE , Hyejin JUNG , Kunwook CHO , Hyeongu CHO , Minsoo CHOI , Youngeun CHOI , Jaejin LYU
Abstract: An organic light-emitting device having improved efficiency and lifespan includes: a first electrode, a second electrode, and an organic layer between the first electrode and the second electrode, wherein the organic layer includes an emission layer, the emission layer includes a first compound, a second compound, a third compound, and a fourth compound, the first compound, the second compound, the third compound, and the fourth compound are different from each other, the third compound includes a metal element having an atomic number of 40 or more, the fourth compound includes boron (B), the third compound and the fourth compound each satisfy Conditions 1-1 and 1-2 below, and the fourth compound satisfies Condition 2 or 3: T1(C3)onset≥S1(C4)onset Condition 1-1 T1(C3)max≥S1(C4)max Condition 1-2 KRISC(C4)≥103 S−1 Condition 2 f(C4)≥0.1. Condition 3
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公开(公告)号：US20210249606A1
公开(公告)日：2021-08-12
申请号：US17160205
申请日：2021-01-27
Applicant: Samsung Display Co., Ltd.
Inventor： Seokgyu YOON , Eungdo KIM , Hyosup SHIN , Jaejin LYU , Jaeyong LEE , Hyeongu CHO
IPC: H01L51/00
Abstract: A light-emitting device includes: a first electrode; a hole injection layer; a hole transport layer; an emission layer; an electron transport region; and a second electrode, stacked in order, wherein the hole transport layer and the hole injection layer are different from each other, the hole injection layer includes a first inorganic material, the first inorganic material is an oxide of at least one metal selected from tungsten (W), molybdenum (Mo), zinc (Zn), copper (Cu), nickel (Ni), cobalt (Co), gallium (Ga), and germanium (Ge), the first inorganic material has a work function with an absolute value of about 4.3 eV to about 5.3 eV, and the hole injection layer and the hole transport layer satisfy Equations 1 and 2: |ELUMO_HIL|>|ELUMO_HTL|+0.1 eV Equation 1 |EHOMO_HIL|>|EHOMO_HTL|+0.1 eV. Equation 2
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公开(公告)号：US20160195760A1
公开(公告)日：2016-07-07
申请号：US14973607
申请日：2015-12-17
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Hyeongu CHO , Gakseok LEE , Sunkyu JOO
IPC: G02F1/1335
CPC classification number: G02F1/133512 , G02F1/133514 , G02F1/133603 , G02F1/133606 , G02F2001/133548
Abstract: A liquid crystal display (LCD) apparatus capable of displaying an image at a constant light intensity is provided. The LCD apparatus includes a substrate including a first surface and a second surface opposite to the first surface; a plurality of pixel electrodes disposed on the first surface of the substrate; a plurality of light-shielding layers disposed corresponding to first locations between the pixel electrodes; a plurality of light sources corresponding to the light-shielding layers, wherein the light sources are configured to irradiate light onto the second surface of the substrate; and a transparent light guide panel disposed between the light sources and the substrate.
Abstract translation: 提供能够以恒定的光强度显示图像的液晶显示（LCD）装置。 该液晶显示装置包括：基板，包括第一表面和与第一表面相对的第二表面; 设置在所述基板的第一表面上的多个像素电极; 对应于像素电极之间的第一位置设置的多个遮光层; 对应于所述遮光层的多个光源，其中所述光源被配置为将光照射到所述基板的第二表面上; 以及设置在光源和基板之间的透明导光板。
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